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#include "convolutionmask.h"
#include "QDebug"

ConvolutionMask::ConvolutionMask(const QString maskName, const int rows, const int cols, QObject *parent)
    : QObject(parent)
{
    this->maskName = maskName;
    this->_rows = rows;
    this->_cols = cols;
    data = new double[_rows*_cols];
    memset(data, '\0', sizeof(data));
}

void ConvolutionMask::setValue(const int row, const int col, const double value)
{
    if (check(row, col)) {
       data[row * _cols + col] = value;
    }
}

double ConvolutionMask::value(const int row, const int col) const
{    
    if (check(row, col)) {
        return data[row * _cols + col];
    }
    return 0.0;
}

const int ConvolutionMask::rows() const
{
    return _rows;
}

const int ConvolutionMask::cols() const
{
    return _cols;
}

const QString ConvolutionMask::name() const
{
    return maskName;
}

const QString ConvolutionMask::toString()
{
    QString result;
    QTextStream stream(&result);
    stream << "\n" << maskName << "\n";
    stream << "[" << _rows << ", " << _cols << "]\n";
    for (int row = 0; row < _rows; row++) {
        stream << "{ ";
        for (int col = 0; col < _cols; col++ ) {
            stream << value(row, col) << ", ";
        }
        stream << "}\n";
    }
    return result;
}

bool ConvolutionMask::check(const int row, const int col) const
{
    if ((row >= 0) && (row < _rows) && (col >= 0) && (col < _cols)) {
        return true;
    }
    qDebug() << "ConvolutionMask::check:failed";
    return false;

}
